Runte, Hans R., Ralf-Henning Steinmetz and other members of the Society of the Seven Sages, Perpetual Supplement, Vol. I, Continued in Vol. II to The Seven Sages of Rome and The Book of Sindbad: An Analytical Bibliography, by Hans R. Runte, J. Keith Wikeley, and Anthony J. Farrell, New York, Garland, 1984. [www]